Curated OER
Conservation of Mass
Students conduct an experiment to compare the total mass of products to the mass of reactants. In this conservation of mass lesson plan, students devise an experiment to show that matter is neither created or destroyed in a chemical...
Santa Monica College
Chemical Equilibrium and Le Chatelier’s Principle
Henri-Louis Le Chatelier wrote many papers throughout his 85-year life, but he is remembered for one of his earliest discoveries, now known as Le Chatelier's Principle. The final instructional activity in an 11-part series encourages...
Pingry School
Comparing Activities of Selected Metals
Don't overreact! A simple experiment demonstrates chemical reactions as scholars mix chemical solutions and metals in a large well plate. They note all changes to the metals, solutions, precipitate, colors, and more. A full data table...
Curated OER
Micro-Magic With Sticky Ions
Students view a video about the formation of precipitates. They complete a worksheet that asks them to identify what makes a compound form and what holds it together.
Curated OER
Science: What Happens to Create the Lode?
Students understand how mineral deposits are formed and why they are not evenly dispersed. They create and describe three different precipitates from four solutions simulating mineral ore deposit formation in sedimentary rock.
Curated OER
Cation Separation and Identification
Students conduct an experiment in which they systematically separate cations from a mixture of substances. They use the following types of reactions to do so: precipitation, acids and bases, oxidation and reduction. They compare a...
Curated OER
Red, White, and Blue
Students explore the types of chemical reactions that can be made with household products. Through various inquires, students work to perform chemical reactions using common household substances and cleaners.
Curated OER
Micro-Reaction Lab: Double Replacement
Young scholars demonstrate reactions that occur between two aqueous solutions. The driving force of the reaction is the formation of an insoluble product. They have to follow a series of directions and then record their observations and...
Curated OER
Limiting Reagents and Percent Yield Problems
Twelve questions about the various calculations of mass and yield are given here. There is significant practice of molarity calculations and consideration of the reactant and product balance.
Virginia Department of Education
Properties of Compounds and Chemical Formulas
Young chemists have unknown compounds they need to sort. Performing three different tests on each, the chemical behaviors they observe become the basis for data analysis.
Curated OER
Limiting Reactant
In this chemistry worksheets, students calculate the amount of reactants and products are produced by the given equations. Students also calculate the number of moles as well as the mass of the given compounds.
Curated OER
The Water Cycle
Pupils develop a better understanding of the need to conserve our renewable resources. In this water cycle lesson students take notes, complete a guide sheet and illustrate the water cycle.
Mr. E. Science
Acids, Bases and Solutions
If you are not part of the solution, then you are part of the precipitate. The presentation covers solutions, suspensions, solubility, dissociation, and acid/base reactions. This is the 19th lesson in a series of 26.
Curated OER
Everything about Equations
In this chemical reactions worksheet, high schoolers are given fifteen unbalanced equations and they must identify the reaction types, the phases of the products, the signs that a chemical change occurred and the sum of the coefficients...
Curated OER
Writing Net Ionic Equations
In this ionic equations worksheet, learners are given 20 equations to complete. They are to write the net ionic equation and indicate if a precipitate or gas is formed. In addition they are to determine if 11 compounds are acids or bases...
Curated OER
Laboratory: Ionic Compound Solubility
For this solubility worksheet, students answer post activity questions about the lab work they completed with ionic compounds. They write sentences about solubility of cations from their lab work. They write chemical reactions for their...
Curated OER
Inorganic Compounds in Aqueous Solution-Colors
In this inorganic compounds worksheet, students complete a chart by determining the reactions between inorganic compounds in aqueous solutions. Students indicate the color of each solution and the product formed when each compound and...
Rensselaer Polytechnic Institute
Molecules to the Max!—Educators Resource Guide
From molecules to nanotubes, an engaging unit explores the world of tiny science. Fifteen hands-on experiments and lessons engage young scientists as they learn chemistry. Discussions, worksheets, and data analysis reinforce the concepts...
Curated OER
Exam Review: Chemistry Calculations
In this chemistry calculations review learning exercise, students solve 33 review problems about titrations, precipitates, pressure and volume of gases, combustion reactions, heat of combustion, molar concentrations and molecular formulas.
Curated OER
Redox/Electrochemistry Review Questions
In this redox review worksheet, students determine the balanced net cell reaction, calculate the value of the equilibrium constant, and write the balanced net ionic equation for reactions. This worksheet has 13 problems to solve.
Curated OER
Food Forensics: A Case of Mistaken Identity
Ninth graders explore the specific reaction between an antigen and the antibody that recognizes it. They carry out an exploratory experiment leading to the concept of specificity.
Curated OER
The Six Solution Problem
Students work on The Six Solution Problem, which is a logic problem assuming that the student knows some basic reactions and solubility rules.
Curated OER
What Sticks Can Make You Sick
High schoolers study adhesins and their receptors. In this science inquiry lesson plan students experiment to find adherence and use agglutination to identify adhesins.
Curated OER
Activity #15 The Snowy Christmas Tree
Young scholars weigh out the proper amount of silver nitrate and prepare the silver nitrate solution. They observe what occurs when pure copper is added to silver nitrate solution. Pupils determine whether the change in the appearance of...